At the moment Ukraine can do whatever needed to liberate its territories.
Generally, one needs 3 times the enemy's strength to take territory. This means that the minimum army you need to take territory is nearly 10 times the size of the army you need to hold it. The current Ukraine army is not even up to the task of holding territory.
Generally, one needs 3 times the enemy's strength to take territory. This means that the minimum army you need to take territory is nearly 10 times the size of the army you need to hold it. The current Ukraine army is not even up to the task of holding territory.